QUIZ STATISTICS PART 2

A ________________ refers to the people in your study whereas a ___________ refers to a distinct group of people

• Participant, population

• Sample, population

• Population, sample

• Participant, sample

Consider the following data set 14, 23, 9, 12, 21, 18, 8. What is the range?

• 10

• 10.5-19.5

• 9 to 21

• 15

Under what circumstances should we be cautions about using the mean as a measure of central tendency?

• When the data is negatively skewed

• When the data is skewed

• When data is positively skewed

• When data is normal

Which of the following provide a measure of central tendency for the data?

• Standard deviation

• Mean

• Variance

• Range

A numerical value used as a summary measure for a sample such as sample mean is known as a

• Population parameter

• Sample parameter

• Sample statistic

• Population mean

The difference between the largest and the smallest data values is called

• Variance

• Interquartile range

• Range

• Standard deviation

Which of the following symbols represents the size of the sample?

• 2

• N

• n

Which of the following is not a measure of dispersion?

• Range

• Variance

• Standard deviation

• Median

Which of the following graph can be used to represent qualitative data?

• Pie chart

• Ogive

• Frequency polygon

• Histogram

Statistics are used in ________________

• In education

• In government

• In science

• All of above